Neutron matter with chiral EFT interactions: Perturbative and first QMC calculations
I. Tews, T. Kr\"uger, A. Gezerlis, K. Hebeler, A. Schwenk
TL;DR
This paper explores neutron matter using chiral EFT interactions through perturbative and initial QMC calculations, assessing implications for the equation of state and neutron star properties.
Contribution
It introduces the first QMC calculations of neutron matter with chiral EFT interactions, complementing perturbative approaches.
Findings
Neutron matter calculations align with chiral EFT predictions.
Results impact understanding of neutron star structure.
First QMC implementation for neutron matter with chiral EFT.
Abstract
Neutron matter presents a unique system in chiral effective field theory (EFT), because all many-body forces among neutrons are predicted to next-to-next-to-next-to-leading order (N3LO). We discuss perturbative and first Quantum Monte Carlo (QMC) calculations of neutron matter with chiral EFT interactions and their astrophysical impact for the equation of state and neutron stars.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Atomic and Subatomic Physics Research · High-pressure geophysics and materials